package com.lyc.struct;

public class WhlileDemo03 {
    public static void main(String[] args) {
        //计算1+2+3+...+100=?
        int i = 0;
        int sum = 0;

        while(i <= 100){
            sum = sum + i;
            ++i;
        }
        System.out.println(sum);
    }
}
